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SDC-005-057-JE-8026
What is a Data Registry?
A place to keep facts about characteristics
of data that are necessary to clearly
describe, inventory, analyze, and classify
data
Supports data sharing with cross-system
and cross-organization descriptions of
common units of data
Assists users of shared data to have
common understanding of the meaning,
representation, and identification of a unit
of data
SDC-005-057-JE-8026
What is the EDR?
It is a single,
comprehensive,
authoritative source
of information about
environmental data.
The EDR is available
electronically via the
World Wide Web.
SDC-005-057-JE-8026
Goals of the EDR
Provide a source of well-formed data
elements and value domains
Promote the reuse of well-formed data in
Agency systems and beyond
Enable data sharing, data integration, and
data comparability
Provide a metadata repository - a central
information source about Agency data
SDC-005-057-JE-8026
Environmental Data Registry
Dictionary: information on
data names, definitions,
formats, and relationships
Directory: organizations responsible for the data
Reference Book: descriptions
of the data
Road Map: location and
relationship information
SDC-005-057-JE-8026
Software Architecture
Environmental
Data
Registry
EDR
Dynamically
Generated
HTML
Netscape 3.0
Enterprise
DEC Alpha Server
4100
(3.0.18)
Oracle 8.0.4
Database
Browser
SDC-005-057-JE-8026
EDR Data Element Example
Registry Name: Facility Name
Definition: The name of a facility or complex facility
Identifier: 5720
Version Number: 1
Administrative Status: Draft
Registration Status: Certified
Maximum Character Count: 50
Datatype: Alphanumeric
Document Information: Envirofacts Locational Reference
Tables, Version 2.1, Data Modeling Report, 02/05/97; Facility
Identification Initiative, Interim Final Recommendations Draft,
12/08/97
SDC-005-057-JE-8026
The EDR Already Contains
Geopolitical units
Mailing and physical addresses
Hydrologic unit codes (HUC)
Standard Industrial Classification / North
American Industry Classification System
(SIC/NAICS) codes
Locational data elements
Facility ID standard data elements
Chemical standard data elements
SDC-005-057-JE-8026
Future Additions to the EDR
EPA-application data elements
Envirofacts
Biological taxonomy data elements
Government Information Locator System
(GILS) data elements
Groundwater data elements
SDC-005-057-JE-8026
Implementation
Issues and Challenges
Conformance with ISO/IEC 11179
Evolution from original vision to current
strategy
Populating the registry
Foreign concept of “reuse”
Long-term resource commitment
SDC-005-057-JE-8026
For information please contact:
Marian Cody
US EPA
401 M Street, SW
Washington, DC 20460
(202) 260-5110
[email protected]
SDC-005-057-JE-8026
Look at Existing
Standards
Propose Candidate
Standard
no
Standard
Development
Approved
yes
yes
no
Standard Development Meetings
Interim
EPA Data
Standards
Process
Retire
Update
Reach Consensus, Submit as
Interim Standard
no
Review Standard
Interim Standard
Approved
Promulgation in EDR
yes
Promulgation in EDR
Final
Continue Standard
Review
Candidate
Identify Need for
Standard
Develop
Business Rules &
Issue
Resolution
Submit for Approval
Business Rules & Final Standard
yes
no
Final Standard
Approved
SDC-005-057-JE-8026